diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 602491d..6e4d944 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,9 @@ build site:
 deploy site:
   image: instrumentisto/rsync-ssh
   stage: deploy
+  only:
+    refs:
+      - master
   script:
     - mkdir ~/.ssh
     - echo "$SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts